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2026年9月16日

CVE-2026-89949 – In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: avoi

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In the Linux kernel, the following vulnerability has been resolved:

batman-adv: dat: avoid unaligned fault in IP extraction

Independent of the alignment of the ARP packet in the SKB, either the
batadv_arp_ip_src or the batadv_arp_ip_dst will have an unaligned access
(on HW without native unaligned read support).

Use get_unaligned() to handle this properly on all architectures.